condition	mean	min	max
0 h after light	3.443695	3.2947	3.59269
4 h after light	3.497255	3.40668	3.58783
8 h after light	2.7571149999999998	2.47571	3.03852
4 h after dark	3.20139	3.12472	3.27806
8 h after dark	4.11125	3.87438	4.34812
12 h after dark	3.601375	3.43112	3.77163